<template>
    <div>
        <!-- 顶部滑动 -->
        <div id="slider" class="mui-slider">
				<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
					<div class="mui-scroll">
						<a :class="['mui-control-item',itme.id==0 ?'mui-active':'' ]" v-for="itme in cates" :key="itme.id" @click="getCateid(itme.id)">
							{{ itme.title}}
						</a>
					</div>
				</div>

			</div>
             <!-- 图片列表区域 -->
        <ul class="photo-list">
        <router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.id" tag="li">
        <img class="imgg" v-lazy="item.img_url">
        <div class="info">
        <h1 class="info-title">{{ item.title }}</h1>
        <div class="info-body">{{ item.zhaiyao }}</div>
        </div>
        </router-link>
        </ul>
        </div>
       
      
</template>

<script>
//导入 mui 的js文件
 import mui from '../../lib/mui/js/mui.min.js'
export default {
    data(){
        return{
            cates:[],
            list:[]
        }
    },
      mounted(){//当组件中的Dom结构被渲染好并放到页面中后，会执行这个钩子函数
    //如果要操作元素了，最好在mounted里面，因为这时候的Dom元素是最新的
         //初始化滑动控件
         
 mui('.mui-scroll-wrapper').scroll({
	deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
});
 },
    created(){
        this.getgory()
        this.getCateid(0)
    },
     methods:{
        getgory(){
            this.$http.get('api/getimgcategory').then(result=>{
                if(result.body.status===0){
                    result.body.message.unshift({title:"全部",id:0})
                    this.cates=result.body.message;
                }
            })
        },
        getCateid(cateid){
            this.$http.get("api/getimages/"+cateid).then(result=>{
                if(result.body.status===0){
                    this.list=result.body.message;
                }
            })
        }
    },
}
</script>

<style scoped>
/* 消除警告 */
*{
    touch-action: pan-y;
}
img[lazy=loading]{
  width: 40px;
  height: 300px;
  margin: auto;
}

.photo-list{
    list-style: none;
    margin: 0px;
    padding: 10px;
    padding-bottom: 0px;
}
.imgg{
    height: 100%;
    width: 100%;
    vertical-align: middle;
}
li{ 
    background-color: #ccc;
    text-align: center;
    margin-bottom: 10px;
    box-shadow: 0 0 9px #999;
    position: relative;
}
.info{
    color: white;
    position: absolute;
    bottom: 0;
     text-align: left;
     max-height: 90px;
    background-color:rgba(0, 0, 0, 0.6)
}
.info-title{
    font-size: 14px;
}
.info-body{
    font-size: 13px;
}
</style>
